Metabolism isnt solely related to weight, either
Symptoms of burning mouth syndrome may include: A burning or scalding feeling that most commonly affects your tongue, but also may affect your lips, gums, roof of your mouth, throat or whole mouth A feeling of dry mouth with increased thirst Taste changes in your mouth, such as a bitter or metallic taste Loss of taste Tingling, stinging or numbness in your mouth It can occur every day, with little discomfort when waking up, but become worse as the day goes on, or it can start as soon as you wake up and last all day
"No, cigarettes don't expire, but the person smoking them does"- this is what you will find if you google the question
But with the FBI agents on his trail, Betts soon becomes desperate and resorts to murder to keep his secret hidden